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1998 Honda Civic, HO2S, Ignition - Secondary, Vacuum/Pressure/Flow Waveform
Posted to the Waveform Library on 12/3/2006

Misfire every 4th cylinder , 4 cylinder engine . FLS C measureing pressure in the Coolant , o2 sensor is capturing lean puff 1x per 4 ignition events , weak pressure pulse lines up with lean puff , 50% of the time .

not a vacuum leak , compression 'good'. PD...

 

car Vehicle Data

1998 Honda Civic EX 1.6L

Engine1.6 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component, ,
ConditionKnown Bad

car Vehicle Data

1998 Honda Civic EX 1.6L

Engine1.6 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component, ,
ConditionKnown Bad